Key Details:
- Model: PEX1S553LP
- Part #: T42364
- Warranty: 2 Years
- Brand: StarTech
Ask Our Experts:

Special Offer
-
Receive an additional 7% discount on any Startech quote when requesting a minimum of 5 units for Government & Public Sector Agencies/Organisations. Please state your organisation details when requesting a quote from our team. T&C apply.
StarTech 1 Port Low Profile PCI Express DB-9 RS232 Serial Card
The PEX1S553LP PCI Express Serial Card turns a PCI Express slot into an RS232 (DB9) serial connection. The card is constructed using a native single chip design that lets you harness the full capability offered by PCI Express (PCIe), while reducing the load applied to the CPU by as much as 48% over conventional bridge chip serial cards.
1 Port Serial Card:
Serial controller card w/ 16550 UART based on ASIX MCS9922CV-AA, allows 1x DB9 port w/bi-directional RS232 speeds up to 460.8Kbps per port, available 256 byte FIFO buffer; Upgraded version of our popular card PEX1S552LP
Optional Configurable Power:
PCI Express RS232 serial adapter card provides choice of 12v, 5v, or none through pin 9
Standard Profile & Low-Profile Bracket:
PCIe serial card comes w/ a low profile bracket pre-installed & 1x full profile bracket is incl for versatile install; Supports Windows & Linux
Versatile Applications:
For low/standard profile desktop/servers w/ uses in point-of-sale terminals, PLCs, control/automation in factories, scientific sensors, medical equipment, scanner, oscilloscope
Hardware:
- Bus Type: PCI Express
- Card Type: Low Profile (SP bracket incl.)
- Chipset ID: ASIX - MCS9922CV-AA
- Interface: Serial
- Port Style: Integrated on Card
- Ports: 1
Performance:
- FIFO: TX: 1 Byte, RX: 1-255 Byte (depending on mode)
- Max Baud Rate: 460.8 Kbps
- Serial Protocol: RS-232
Connector(s):
- Connector Type(s): 1x PCI Express x1
- External Ports: 1x DB-9 (9 pin, D-Sub)
- Internal Ports: 1x LP4 (4 pin; Large Drive Power)
Environmental:
- Humidity: 5~85% RH
- Operating Temperature: -10°C to 80°C (14°F to 176°F)
- Storage Temperature: -20°C to 100°C (-4°F to 212°F)
Physical Characteristics:
- Product Height: 20 mm
- Product Length: 105 mm
- Product Weight: 44 g
- Product Width: 80 mm
- Color: Green
- Material: Steel
Power:
- Input Voltage: 12V DC
- Output Voltage: 12V DC
OS Compatibility:
- Windows DOS, 95, 98SE, 2000, CE 5.0/6.0, Embedded System 2009, POS Ready 2009, XP Embedded, XP, Vista, 7, 8, 8.1, 10, 11
- Windows Server 2003, 2008 R2, 2012, 2012 R2, 2016, 2019, 2022
- Mac OS X 10.4 to 10.10
- Linux kernel 2.6.x and up_LTS Versions only_
- Microsoft WHQL Certified: Yes
- 1x 1 Port PCI-Express Serial Card
- 1x Full Profile Bracket
- 1x Driver CD
- 1x Instruction Manual
Similar Items
Why Buy From Us

Official NZ Warranties
All our products are brand new, direct from the official NZ suppliers. That means genuine products backed with NZ warranties.

7 Day Returns
We offer a 7 day return policy. All we require is that the product is unopened and the packaging is in its original new condition. More details.

Insured & Tracked Delivery
Items are sent on a signature courier delivery service. Packages are tracked & insured so in the event of an issue, you are covered. More details.

Secure Payments
Pay securely via credit card, debit card, Apple Pay, Google Pay & online banking. We use Windcave as our payment provider, offering the highest level in payment security.

100% NZ Owned for 20+ Years
Based in Auckland, New Zealand, we are one of NZ's biggest & most trusted online tech stores, supplying IT & office supplies to over 200,000 Kiwi customers.

Free Return Service
If an item develops a fault & is required to be returned, we will provide a return courier label. More details.
What our customers say
Fast, Friendly service. Great prices. I have now found my new supplier of electronic and computers parts. :)
From Belmont
Wow. the past 7-8 years I've only brought 3-4 things online and every time I buy from Elive and it have it delivered the next day. Thats very quick and I think most or some of the items I brought may have well had free delivery. So impressed and happy.
From Hamilton
This was my first time ordering with Elive. In my opinion the process was very easy, and I was well informed about the progress of the shipping which was very fast. Thank you.
From Wellington